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CN114250700A - Rail guard for road and bridge - Google Patents

Rail guard for road and bridge Download PDF

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Publication number
CN114250700A
CN114250700A CN202111665766.8A CN202111665766A CN114250700A CN 114250700 A CN114250700 A CN 114250700A CN 202111665766 A CN202111665766 A CN 202111665766A CN 114250700 A CN114250700 A CN 114250700A
Authority
CN
China
Prior art keywords
plate
assembly
protective
sliding
buffer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111665766.8A
Other languages
Chinese (zh)
Other versions
CN114250700B (en
Inventor
杜骋
孙俊
陈春瑞
张宁波
周杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Sinoroad Engineering Research Institute Co ltd
Original Assignee
Jiangsu Sinoroad Engineering Research Institute Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Sinoroad Engineering Research Institute Co ltd filed Critical Jiangsu Sinoroad Engineering Research Institute Co ltd
Priority to CN202111665766.8A priority Critical patent/CN114250700B/en
Publication of CN114250700A publication Critical patent/CN114250700A/en
Application granted granted Critical
Publication of CN114250700B publication Critical patent/CN114250700B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/10Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103Parapets, railings ; Guard barriers or road-bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/615Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/619Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/658Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
    • E01F9/669Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention relates to the technical field of road protection, in particular to a protective guard for roads and bridges, when a vehicle collides with the protective guard, a protective guard assembly moves towards the protective guard assembly along a first sliding groove after being impacted, a first buffer assembly positioned in the protective guard assembly can generate a resisting force to a protective outer plate, after a support frame compresses the buffer cushion, a second buffer assembly positioned between the buffer cushion and the inner wall of a mounting groove can provide the resisting force for the buffer cushion, meanwhile, the protective outer plate presses against the upper ends of swing arms to enable the two swing arms to incline and drive an elastic transverse plate to move towards the vehicle, and an elastic transverse rod can play a role in damping the bottom of the vehicle and reduce the damage degree of the bottom of the vehicle; when the guardrail body is knocked over, the L-shaped rod can support the rear part of the guardrail body, the non-slip wheels can roll and incline with the ground, the guardrail body can be clamped at the bottom of a vehicle and prevented from moving continuously, the safety of a driver is improved, and the LED lamp can illuminate and guide the driver to move forwards.

Description

Rail guard for road and bridge
Technical Field
The invention relates to the technical field of road protection, in particular to a protective fence for roads and bridges.
Background
The protective guard is a longitudinal energy-absorbing structure, absorbs collision energy through self deformation or vehicle climbing, so that the driving direction of the vehicle is changed, the vehicle is prevented from going out of the way or entering a lane opposite to a person, and the injury to passengers is reduced to the maximum extent.
Due to the fact that most existing protective guards are poor in anti-collision effect, the situation that the protective guards are easily damaged after being collided is increased, part of the protective guards do not have a function of guiding pointing, and the part of the protective guards do not have an alarm effect, so that workers cannot know the situation in time, the situation that a driver happens after driving and colliding the protective guards is increased, insecurity is brought to the driving process of the driver, certain adverse effects are brought to actual use, and therefore improvement is needed.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that is abundant for many years in the product engineering application, so as to create a road and bridge protective fence, which is more practical.
Disclosure of Invention
The invention aims to provide a road and bridge protective guard aiming at the defects in the prior art, and the anti-collision effect of the protective guard is enhanced.
In order to achieve the purpose, the invention adopts the technical scheme that: a protective guard for a road and bridge comprises a protective guard body, a guard pad assembly and a damping assembly, wherein the front side of the protective guard body is arranged towards the road surface;
the protective plate assembly comprises a protective outer plate, a support frame and a first buffer assembly, the support frame is in sliding connection with a first sliding groove in the top of the mounting groove, the first buffer assembly is arranged between the protective outer plate and the support frame, and the protective outer plate is arranged on the front side, is in sliding connection with the support frame and can be close to or far away from the support frame;
the damping assembly comprises swing arms symmetrically arranged on two horizontal sides of the inner wall of the mounting groove, an elastic transverse plate is arranged at one end of each of the two swing arms close to the bottom of the mounting groove, and the other end of each of the two swing arms is positioned between the support frame and the inner wall of the mounting groove;
the protection pad subassembly includes the blotter, and is located mounting groove inner wall with second buffering subassembly between the blotter, the blotter can move towards the front side inner wall of mounting groove.
Furthermore, the supporting frame is of a U-shaped structure and comprises two connecting plates and a mounting vertical plate which are horizontally arranged, and the first buffer component is arranged on the mounting vertical plate;
first buffering subassembly includes branch, wane and compression spring, branch orientation the protection planking sets up, the middle part of wane with branch is close to the one end of protection planking is rotated and is connected, compression spring is passed through to the one end of wane with the installation riser links to each other the other end orientation of wane one side of protection planking is provided with the pressure buffering pad the protection planking orientation one side of support frame is provided with the depression bar, the depression bar corresponds the wane is equipped with compression spring's one end sets up.
Furthermore, a moving groove is formed in one end, facing the protective outer plate, of the connecting plate, a connecting rod is arranged on one side, facing the supporting frame, of the protective outer plate, and the connecting rod is embedded into the moving groove and is in sliding connection with the moving groove;
the installation riser is provided with an inserting sleeve plate, and one side of the protection outer plate facing the support frame is provided with an inserting rod corresponding to the inserting sleeve plate.
Furthermore, a sliding rod is arranged in the first sliding chute along the length direction of the first sliding chute, a sliding sleeve plate is arranged on the sliding rod and is in sliding connection with the sliding sleeve plate, and the sliding sleeve plate is fixedly connected with the supporting frame;
the sliding sleeve plate is sleeved with an extension spring towards a sliding rod on one side of the mounting groove, the moving groove is arranged along the horizontal direction, and an elastic ball is arranged in the moving groove.
Furthermore, first buffer unit is in along vertical direction be provided with a plurality ofly on the installation riser, the plug bush board corresponds first buffer unit is provided with a plurality ofly and is located adjacent two between the first buffer unit.
Furthermore, the second buffer assembly comprises a first swing rod and a second swing rod which are hinged, one end of the first swing rod and one end of the second swing rod are respectively connected with the fixing plate on the inner wall of the front side of the installation groove through a first hinged seat and a second hinged seat, the other end of the first swing rod and the other end of the second swing rod are in contact with the cushion pad, the cushion pad is respectively connected with the fixing plate through a compression spring, and the first hinged seat is slidably connected with the fixing plate.
Furthermore, a second sliding groove is formed in the fixing plate in the vertical direction, and the first hinge seat is arranged in the second sliding groove and is connected with the second sliding groove in a sliding mode.
Furthermore, a movable rod is arranged in the middle of the swing arm, one end of the movable rod is fixedly connected with the inner wall of the mounting groove, and the other end of the movable rod is rotatably connected with the swing arm;
the front side of elasticity diaphragm is provided with a plurality of elastic rods, and is a plurality of the elastic rod equipartition is in on the elasticity diaphragm.
Furthermore, an alarm is fixedly arranged at the bottom of the inner wall of the mounting groove, and a lead of the alarm is connected with the elastic transverse plate;
the guardrail comprises a guardrail body and is characterized in that a guide plate is arranged at the top of the guardrail body, an LED lamp is arranged on the front side of the guide plate, a photovoltaic panel is arranged at the top of the guide plate, the photovoltaic panel is connected with the LED lamp through a wire, and a reflecting strip is arranged on the guardrail body and located above a protective outer plate.
Furthermore, the bottom of the guardrail body is provided with a supporting leg, the bottom of the supporting leg is provided with a force dividing table, and the force dividing table is in a round table-shaped structure and is fixedly connected with a road surface through a positioning bolt;
the guardrail comprises a guardrail body and is characterized in that an L-shaped rod is arranged on the rear side of the guardrail body, a non-slip wheel is arranged at one end of the L-shaped rod and is in contact with a road surface, and the middle of the L-shaped rod is made of elastic materials.
The invention has the beneficial effects that:
when a vehicle collides with the protective guard, the protective guard assembly moves towards the protective pad assembly along the first sliding groove after being impacted, the first buffer assembly in the protective guard assembly can generate a resisting force for the movement of the protective outer plate, after the support frame compresses the buffer pad, the second buffer assembly between the buffer pad and the inner wall of the mounting groove can provide a resisting force for the buffer pad, the protective outer plate presses the upper ends of the swing arms simultaneously, the two swing arms are inclined, the elastic transverse plates are driven to move towards the vehicle, the elastic transverse rods can play a role of damping the bottom of the vehicle, and the damage degree of the bottom of the vehicle is reduced to a certain extent;
when the guardrail body is knocked over, the L-shaped rod can support the rear part of the guardrail body, and the non-slip wheels can roll and incline with the ground, so that the guardrail body can be clamped at the bottom of a vehicle and prevented from moving continuously, and the safety of a driver is improved;
the wire on the siren can be broken when the swing arm moving distance is too long, the alarm can give an alarm when the wire breaks, the protection planking can extrude the blotter simultaneously, the LED lamp can be through the absorptive solar energy power generation of photovoltaic board, the LED lamp can throw light on and guide the driver to go forward, and the LED lamp and the reflection of light strip can play certain degree warning driver safety traffic.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a guard rail for roads and bridges in an embodiment of the present invention;
fig. 2 is a side sectional view of a guard rail for a road and bridge according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;
fig. 4 is an enlarged view of a portion B in fig. 2.
Reference numerals: 1. a guardrail body; 11. mounting grooves; 111. a first chute; 112. a slide bar; 113. a slipcover plate; 114. an extension spring; 12. an alarm; 13. a guide plate; 131. an LED lamp; 132. a photovoltaic panel; 14. a light-reflecting strip; 15. supporting legs; 151. a force dividing table; 152. positioning the bolt; 16. an L-shaped rod; 161. a non-slip wheel; 2. a fender assembly; 21. a protective outer plate; 211. a pressure lever; 212. a connecting rod; 213. inserting a rod; 22. a support frame; 221. a connecting plate; 222. installing a vertical plate; 223. a moving groove; 224. inserting a sleeve plate; 225. a resilient ball; 23. a first buffer assembly; 231. a strut; 232. a seesaw; 233. a compression spring; 234. a pressure-relieving cushion; 3. a pad assembly; 31. a cushion pad; 32. a fixing plate; 321. a second chute; 33. a second buffer assembly; 331. a first swing link; 332. a second swing link; 333. a first hinge mount; 334. a second hinge mount; 335. a compression spring; 4. a shock absorbing assembly; 41. swinging arms; 42. an elastic transverse plate; 43. an elastic rod; 44. a movable rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention discloses a protective guard for roads and bridges, which comprises a protective guard body 1, a guard plate assembly 2, a protection pad assembly 3 and a damping assembly 4, wherein the front side of the protective guard body 1 is arranged towards the road surface, the protective guard assembly 2, the protection pad assembly 3 and the damping assembly 4 are arranged in a mounting groove 11 in the front side of the protective guard body 1, the protective guard assembly 2 is hung at the top of the inner wall of the mounting groove 11, and the protective guard assembly 2 can move towards the protection pad assembly 3 after being impacted; the guard plate assembly 2 comprises a protective outer plate 21, a support frame 22 and a first buffer assembly 23, the support frame 22 is in sliding connection with a first sliding groove 111 at the top of the mounting groove 11, the first buffer assembly 23 is arranged between the protective outer plate 21 and the support frame 22, the protective outer plate 21 is arranged on the front side and in sliding connection with the support frame 22, and the protective outer plate can be close to or far away from the support frame 22; the shock absorption assembly 4 comprises swing arms 41 symmetrically arranged on the two horizontal sides of the inner wall of the mounting groove 11, an elastic transverse plate 42 is arranged at one end of each swing arm 41 close to the bottom of the mounting groove 11, and the other ends of the two swing arms 41 are both positioned between the support frame 22 and the inner wall of the mounting groove 11; the pad assembly 3 includes a buffer pad 31, and a second buffer assembly 33 between the inner wall of the installation slot 11 and the buffer pad 31, the buffer pad 31 being movable toward the front inner wall of the installation slot 11.
In the concrete implementation process, when the vehicle collides with the guard rail, the guard plate assembly 2 is collided and then moves towards the guard pad assembly 3 along the first sliding groove 111, wherein, the first buffer assembly 23 positioned in the guard plate assembly 2 can generate a supporting force for the movement of the protection outer plate 21, after the support frame 22 compresses the buffer pad 31, the second buffer assembly 33 positioned between the buffer pad 31 and the inner wall of the mounting groove 11 can provide a supporting force for the buffer pad 31, the protection outer plate 21 presses towards the upper end of the swing arm 41, so that the two swing arms 41 are inclined, and the elastic transverse plate 42 is driven to move towards the vehicle, the elastic transverse rod can play a role in damping the bottom of the vehicle, and the damage degree of the bottom of the vehicle is reduced to a certain extent.
Further, in the above embodiment, the supporting frame 22 is configured as a U-shaped structure, and includes two connecting plates 221 and a mounting riser 222 which are horizontally disposed, and the first buffer component 23 is disposed on the mounting riser 222; first buffer unit 23 includes branch 231, wane 232 and compression spring 233, branch 231 sets up towards protection planking 21, the middle part of wane 232 rotates with the one end that branch 231 is close to protection planking 21 and is connected, compression spring 233 is passed through to the one end of wane 232 and is linked to each other with installation riser 222, be provided with pressure buffering pad 234 towards one side of protection planking 21 at the other end of wane 232, be provided with depression bar 211 towards one side of support frame 22 at protection planking 21, depression bar 211 corresponds the one end setting that wane 232 was equipped with compression spring 233.
Protection planking 21 removes and can drive depression bar 211 and remove, and depression bar 211 can extrude wane 232 and swing, and wane 232 can extrude compression spring 233 and get into the shrink state, and the other end of wane 232 can drive the slope of pressure pad 234 and extrude protection planking 21, produces the offset force to the removal of protection planking 21, feeds back and offsets a part of impact of vehicle.
A moving groove 223 is formed at one end of the connecting plate 221 facing the protection outer plate 21, a connecting rod 212 is arranged at one side of the protection outer plate 21 facing the supporting frame 22, and the connecting rod 212 is embedded in the moving groove 223 and is in sliding connection with the moving groove 223; the mounting riser 222 is further provided with an insertion plate 224, and the protection outer panel 21 is provided with an insertion rod 213 on a side facing the support frame 22 corresponding to the insertion plate 224. A sliding rod 112 is arranged in the first sliding chute 111 along the length direction thereof, a sliding sleeve plate 113 is arranged on the sliding rod 112 and is connected with the sliding rod in a sliding way, and the sliding sleeve plate 113 is fixedly connected with the support frame 22; an extension spring 114 is fitted over the slide rod 112 on the side of the slide bushing plate 113 facing the mounting groove 11, a moving groove 223 is provided in the horizontal direction, and a ball spring 225 is provided in the moving groove 223.
When the protective outer plate 21 is impacted and drives the connecting rod 212 to slide in the moving groove 223, the elastic ball 225 can slow down the moving speed of the connecting rod 212 and can disperse and consume the force released by the connecting rod 212; the protection outer plate 21 can move relatively smoothly under the action of the insertion rod 213 and the insertion sleeve plate 224, the movement speed of the sliding sleeve plate 113 is slowed to a certain degree through the arrangement of the extension spring 114, and the impact force is further dispersed through the support frame 22.
First buffer component 23 is provided with a plurality ofly along vertical direction on installation riser 222, and plug bush board 224 corresponds first buffer component 23 and is provided with a plurality ofly and is located between two adjacent first buffer components 23, reinforcing anticollision effect.
Further, the second buffer assembly 33 includes a first swing link 331 and a second swing link 332 which are hinged, one end of the first swing link 331 and one end of the second swing link 332 are respectively connected with the fixing plate 32 on the inner wall of the front side of the mounting groove 11 through a first hinge seat 333 and a second hinge seat 334, the other end of the first swing link 331 and the other end of the second swing link 332 are in contact with the buffer pad 31 and are respectively connected with the fixing plate 32 through a compression spring 335, and the first hinge seat 333 is slidably connected with the fixing plate 32. A second sliding groove 321 is formed in the fixing plate 32 along the vertical direction, and the first hinge seat 333 is disposed in the second sliding groove 321 and slidably connected thereto.
The buffer cushion 31 can be contracted by extrusion, the first swing rod 331 and the second swing rod 332 can be moved by extrusion, the compression spring 335 can play a role in damping component force, and the first swing rod 331 can be moved under the action of the second hinge seat 334 and the second sliding groove 321 to further disperse impact force.
A movable rod 44 is arranged in the middle of the swing arm 41, one end of the movable rod 44 is fixedly connected with the inner wall of the mounting groove 11, and the other end is rotatably connected with the swing arm 41; a plurality of elastic rods 43 are arranged at the front side of the elastic cross plate 42, and the elastic rods 43 are uniformly distributed on the elastic cross plate 42.
The protection planking 21 receives the extrusion and can drives the swing arm 41 slope, and the swing arm 41 slope can drive elasticity diaphragm 42 and remove, and elasticity diaphragm 42 removes to the direction that is close to the driver vehicle, and a plurality of elastic rods 43 of setting on elasticity diaphragm 42 can play the effect of shock attenuation vehicle bottom, and has reduced the damage degree of vehicle bottom to a certain extent.
The bottom of the inner wall of the mounting groove 11 is fixedly provided with an alarm 12, and a lead of the alarm 12 is connected with an elastic transverse plate 42; the guardrail comprises a guardrail body 1, a guide plate 13, an LED lamp 131, a photovoltaic plate 132, a light reflecting strip 14 and a light source, wherein the guide plate 13 is arranged at the top of the guardrail body 1, the LED lamp 131 is arranged on the front side of the guide plate 13, the photovoltaic plate 132 is connected with the LED lamp 131 through a lead, and the light reflecting strip 14 is arranged on the guardrail body 1 and above a protective outer plate 21.
When the swing arm 41 moves too long, the wire on the alarm 12 can be broken, an alarm can be given when the wire on the alarm 12 is broken, and meanwhile, the protective outer plate 21 can extrude the buffer pad 31; the LED lamp 131 can generate electricity through solar energy absorbed by the photovoltaic panel 132, the LED lamp 131 can illuminate and guide a driver to move forward, and the LED lamp 131 and the reflective strip 14 can warn the driver to run safely to a certain degree.
The bottom of the guardrail body 1 is provided with a supporting leg 15, the bottom of the supporting leg 15 is provided with a force division table 151, and the force division table 151 is in a circular truncated cone-shaped structure and is fixedly connected with a road surface through a positioning bolt 152; an L-shaped rod 16 is arranged at the rear side of the guardrail body 1, one end of the L-shaped rod 16 is provided with a non-slip wheel 161, the non-slip wheel 161 is in contact with the road surface, and the middle part of the L-shaped rod 16 is made of elastic materials.
When the guardrail body 1 is knocked over, the L-shaped rod 16 can support the rear part of the guardrail body 1, and the non-slip wheels 161 can roll and incline with the ground, so that the guardrail body 1 can be clamped at the bottom of a vehicle and prevented from moving continuously, and the safety of a driver is improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A protective guard for a road and bridge comprises a protective guard body (1), wherein the front side of the protective guard body (1) faces a road surface, and the protective guard is characterized by further comprising a protective guard assembly (2), a protective pad assembly (3) and a damping assembly (4) which are arranged in a front side installation groove (11) of the protective guard body (1), wherein the protective guard assembly (2) is hung at the top of the inner wall of the installation groove (11), and the protective guard assembly (2) can move towards the protective pad assembly (3) after being impacted;
the protection plate assembly (2) comprises a protection outer plate (21), a support frame (22) and a first buffer assembly (23), the support frame (22) is in sliding connection with a first sliding groove (111) in the top of the installation groove (11), the first buffer assembly (23) is arranged between the protection outer plate (21) and the support frame (22), and the protection outer plate (21) is arranged on the front side, is in sliding connection with the support frame (22) and can be close to or far away from the support frame (22);
the shock absorption assembly (4) comprises swing arms (41) symmetrically arranged on two horizontal sides of the inner wall of the mounting groove (11), an elastic transverse plate (42) is arranged at one end, close to the bottom of the mounting groove (11), of each of the two swing arms (41), and the other end of each of the two swing arms (41) is located between the support frame (22) and the inner wall of the mounting groove (11);
the protection pad assembly (3) comprises a buffering pad (31) and a second buffering assembly (33) located between the inner wall of the installation groove (11) and the buffering pad (31), wherein the buffering pad (31) can move towards the inner wall of the front side of the installation groove (11).
2. Guard rail for road and bridge according to claim 1, characterized in that the support frame (22) is provided in a U-shaped configuration comprising two horizontally arranged connection plates (221) and a mounting riser (222), the first buffer component (23) being arranged on the mounting riser (222);
first buffer unit (23) include branch (231), wane (232) and compression spring (233), branch (231) orientation protection planking (21) set up, the middle part of wane (232) with branch (231) are close to the one end of protection planking (21) is rotated and is connected, the one end of wane (232) pass through compression spring (233) with installation riser (222) link to each other the other end orientation of wane (232) one side of protection planking (21) is provided with pressure buffering pad (234) protection planking (21) orientation one side of support frame (22) is provided with depression bar (211), depression bar (211) correspond wane (232) are equipped with the one end setting of compression spring (233).
3. The guard rail for road and bridge according to claim 2, wherein a moving groove (223) is formed at one end of the connecting plate (221) facing the protective outer plate (21), a connecting rod (212) is arranged at one side of the protective outer plate (21) facing the supporting frame (22), and the connecting rod (212) is embedded in the moving groove (223) and is connected with the moving groove in a sliding manner;
the installation vertical plate (222) is also provided with an insertion sleeve plate (224), and one side of the protection outer plate (21) facing the support frame (22) is provided with an insertion rod (213) corresponding to the insertion sleeve plate (224).
4. The guardrail for road and bridge according to claim 3, wherein a sliding bar (112) is arranged in the first sliding groove (111) along the length direction thereof, a sliding sleeve plate (113) is arranged on the sliding bar (112) and is connected with the sliding sleeve plate in a sliding way, and the sliding sleeve plate (113) is fixedly connected with the supporting frame (22);
an extension spring (114) is sleeved on the sliding rod (112) of the sliding sleeve plate (113) facing one side of the mounting groove (11), the moving groove (223) is arranged along the horizontal direction, and an elastic ball (225) is arranged in the moving groove (223).
5. The guard rail for road and bridge according to claim 3, wherein the first buffer assembly (23) is provided in plurality on the mounting riser (222) in the vertical direction, and the socket plate (224) is provided in plurality corresponding to the first buffer assembly (23) and located between two adjacent first buffer assemblies (23).
6. The guard rail for road and bridge according to claim 1, wherein the second buffer assembly (33) comprises a first swing link (331) and a second swing link (332) which are hinged, one end of the first swing link (331) and one end of the second swing link (332) are respectively connected with the fixing plate (32) on the inner wall of the front side of the mounting groove (11) through a first hinge seat (333) and a second hinge seat (334), the other end of the first swing link is in contact with the buffer pad (31) and is respectively connected with the fixing plate (32) through a compression spring (335), and the first hinge seat (333) is slidably connected with the fixing plate (32).
7. The guard rail for road and bridge according to claim 6, wherein a second sliding groove (321) is formed in the fixing plate (32) in a vertical direction, and the first hinge seat (333) is disposed in the second sliding groove (321) and slidably connected thereto.
8. The guard rail for roads and bridges as claimed in claim 1, wherein a movable rod (44) is disposed at the middle position of the swing arm (41), one end of the movable rod (44) is fixedly connected with the inner wall of the mounting groove (11), and the other end is rotatably connected with the swing arm (41);
a plurality of elastic rods (43) are arranged on the front side of the elastic transverse plate (42), and the elastic rods (43) are uniformly distributed on the elastic transverse plate (42).
9. The guard rail for road and bridge according to claim 1, wherein an alarm (12) is fixedly arranged at the bottom of the inner wall of the mounting groove (11), and a lead of the alarm (12) is connected with the elastic transverse plate (42);
the guardrail comprises a guardrail body (1), and is characterized in that a guide plate (13) is arranged at the top of the guardrail body (1), an LED lamp (131) is arranged on the front side of the guide plate (13), a photovoltaic plate (132) is arranged at the top of the guide plate (13), the photovoltaic plate (132) is connected with the LED lamp (131) through a wire, and a reflecting strip (14) is arranged on the guardrail body (1) and above a protective outer plate (21).
10. The guardrail for the road and bridge according to claim 1, wherein supporting legs (15) are arranged at the bottom of the guardrail body (1), force dividing platforms (151) are arranged at the bottoms of the supporting legs (15), and the force dividing platforms (151) are in a circular truncated cone-shaped structure and are fixedly connected with a road surface through positioning bolts (152);
the guardrail comprises a guardrail body (1) and is characterized in that an L-shaped rod (16) is arranged on the rear side of the guardrail body (1), a non-slip wheel (161) is arranged at one end of the L-shaped rod (16), the non-slip wheel (161) is in contact with the road surface, and the middle of the L-shaped rod (16) is made of elastic materials.
CN202111665766.8A 2021-12-31 2021-12-31 Rail guard for road and bridge Active CN114250700B (en)

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CN114250700B CN114250700B (en) 2024-01-19

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200229392Y1 (en) * 2001-01-20 2001-07-19 주식회사 삼보기술단 A barrier with vehicle shock absorber
CN207314144U (en) * 2017-10-29 2018-05-04 赵轩 A kind of Anti-bumping protection column of road and bridge
CN207685668U (en) * 2017-12-25 2018-08-03 孙安亮 A kind of new road science of bridge building protective device
CN109868775A (en) * 2019-04-08 2019-06-11 吴婷婷 A kind of traffic safety guard and its application method
CN110512516A (en) * 2019-08-15 2019-11-29 南昌大学 A kind of M-shaped retractable buffering anti-collision guardrail suitable for bridges and construction method thereof
CN212865713U (en) * 2020-08-07 2021-04-02 戴长剑 Anticollision barrier for municipal works
CN214271830U (en) * 2021-01-15 2021-09-24 福建省雄发建设工程有限公司 An anti-collision device for highway bridges

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200229392Y1 (en) * 2001-01-20 2001-07-19 주식회사 삼보기술단 A barrier with vehicle shock absorber
CN207314144U (en) * 2017-10-29 2018-05-04 赵轩 A kind of Anti-bumping protection column of road and bridge
CN207685668U (en) * 2017-12-25 2018-08-03 孙安亮 A kind of new road science of bridge building protective device
CN109868775A (en) * 2019-04-08 2019-06-11 吴婷婷 A kind of traffic safety guard and its application method
CN110512516A (en) * 2019-08-15 2019-11-29 南昌大学 A kind of M-shaped retractable buffering anti-collision guardrail suitable for bridges and construction method thereof
CN212865713U (en) * 2020-08-07 2021-04-02 戴长剑 Anticollision barrier for municipal works
CN214271830U (en) * 2021-01-15 2021-09-24 福建省雄发建设工程有限公司 An anti-collision device for highway bridges

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